[PATCH -next] powerpc/4xx: Fix error return code in ppc4xx_msi_probe()

From: Wei Yongjun <redacted>

Fix to return a negative error code from the ppc4xx_setup_pcieh_hw()
error handling case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <redacted>
---
 arch/powerpc/sysdev/ppc4xx_msi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/sysdev/ppc4xx_msi.c b/arch/powerpc/sysdev/ppc4xx_msi.c
index 590dab4..b729d44 100644
--- a/arch/powerpc/sysdev/ppc4xx_msi.c
+++ b/arch/powerpc/sysdev/ppc4xx_msi.c

@@ -242,7 +242,8 @@ static int ppc4xx_msi_probe(struct platform_device *dev)
 	if (!msi_irqs)
 		return -ENODEV;
 
-	if (ppc4xx_setup_pcieh_hw(dev, res, msi))
+	err = ppc4xx_setup_pcieh_hw(dev, res, msi);
+	if (err)
 		goto error_out;
 
 	err = ppc4xx_msi_init_allocator(dev, msi);